Merge pull request #2739 from tacaswell/extent_doc

pelson · pelson · commit db02533ea9c2 · 2014-04-09T14:08:24.000+01:00
DOC : improved `extent` of `imshow` doc
diff --git a/lib/matplotlib/axes.py b/lib/matplotlib/axes.py
@@ -7251,8 +7251,9 @@ def imshow(self, X, cmap=None, norm=None, aspect=None,
             corner of the axes. If None, default to rc `image.origin`.
 
         extent : scalars (left, right, bottom, top), optional, default: None
-            Data limits for the axes.  The default assigns zero-based row,
-            column indices to the `x`, `y` centers of the pixels.
+            The location, in data-coordinates, of the lower-left and upper-right
+            corners of the image.  If `None`, the image is positioned such that
+            the pixel centers fall on zero-based (row, column) indices.
 
         shape : scalars (columns, rows), optional, default: None
             For raw buffer images
